| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef IPC_BROKERABLE_ATTACHMENT_H_ |
| #define IPC_BROKERABLE_ATTACHMENT_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "ipc/ipc_export.h" |
| #include "ipc/ipc_message_attachment.h" |
| |
| namespace IPC { |
| |
| // This subclass of MessageAttachment requires an AttachmentBroker to be |
| // attached to a Chrome IPC message. |
| class IPC_EXPORT BrokerableAttachment : public MessageAttachment { |
| public: |
| // An id uniquely identifies an attachment sent via a broker. |
| struct IPC_EXPORT AttachmentId { |
| uint32_t nonce[4]; |
| }; |
| |
| // The identifier is unique across all Chrome processes. |
| AttachmentId GetIdentifier() const; |
| |
| protected: |
| BrokerableAttachment(); |
| ~BrokerableAttachment() override; |
| |
| private: |
| // This member uniquely identifies a BrokerableAttachment across all Chrome |
| // processes. |
| AttachmentId id_; |
| DISALLOW_COPY_AND_ASSIGN(BrokerableAttachment); |
| }; |
| |
| } // namespace IPC |
| |
| #endif // IPC_BROKERABLE_ATTACHMENT_H_ |